RFR: ClassLoadStatsClosure uses naked oop comparison

[Roman Kennke]

> This is an upstream bug, will file a bug. It broke VerifyJCStressTest on
> my machine.
> 
> 
> http://cr.openjdk.java.net/~zgu/shenandoah/cld_stats_oop_equals/webrev.00/
> 
> Test:
> 
>   tier3_gc_shenandoah (fastdebug and release)
> 
> Thanks,
> 
> -Zhengyu
> 
> 

Ok

Thanks!
Roman